218479248 has 80 divisors (see below), whose sum is σ = 675373440. Its totient is φ = 67222656.

The previous prime is 218479241. The next prime is 218479249. The reversal of 218479248 is 842974812.

It is not an unprimeable number, because it can be changed into a prime (218479241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13836 + ... + 25067.

It is an arithmetic number, because the mean of its divisors is an integer number (8442168).

Almost surely, 2^218479248 is an apocalyptic number.

It is an amenable number.

218479248 is an abundant number, since it is smaller than the sum of its proper divisors (456894192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218479248 is a wasteful number, since it uses less digits than its factorization.

218479248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38933 (or 38921 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 218479248 is about 14781.0435355559. The cubic root of 218479248 is about 602.2868726155.

The spelling of 218479248 in words is "two hundred eighteen million, four hundred seventy-nine thousand, two hundred forty-eight".